Adds tags and ps methods

examples/ps.rs

@@ -0,0 +1,16 @@
+use std::{env, error::Error};
+
+use ollama_rs::OllamaClient;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn Error>> {
+    tracing_subscriber::fmt().init();
+    let _ = dotenvy::dotenv();
+    let server_address = env::var("OLLAMA_SERVER")?;
+    let ollama_client = OllamaClient::new(server_address);
+    let models = ollama_client.list_runnning_models().await?;
+    for model in models {
+        println!("{:?}", model);
+    }
+    Ok(())
+}